ear infection短语³³⁸¹⁶ 基本例句 🌏耳朵感染；耳部感染；耳炎 A common example is chronic middle ear infection. 常见例子是慢性中耳炎。 who Even if you don't remember, you probably had one. Most kids have at least one middle ear infection before they are2 years old. 虽然你不记得，但是很有可能你有过这样的经历，因为在两岁之前，大多数婴儿都至少患过一次中耳炎。 yeeyan